Frank Pfenning, Carsten Schürmann. Algorithms for Equality and Unification in the Presence of Notational Definitions. Electronic Notes in Theoretical Computer Science, 17:1-13, 1998. [doi]
@article{PfenningS98, title = {Algorithms for Equality and Unification in the Presence of Notational Definitions}, author = {Frank Pfenning and Carsten Schürmann}, year = {1998}, url = {http://www.elsevier.com/gej-ng/31/29/23/41/23/show/Products/notes/index.htt#006}, researchr = {https://researchr.org/publication/PfenningS98}, cites = {0}, citedby = {0}, journal = {Electronic Notes in Theoretical Computer Science}, volume = {17}, pages = {1-13}, }